Skip to content
Nimbus Manticore Expands Toolset With TWOSTROKE-Like Backdoor and SSH Tunneler

Nimbus Manticore Expands Toolset With TWOSTROKE-Like Backdoor and SSH Tunneler

Ravie LakshmananAug 26, 2026Malware / Cyber Espionage Cybersecurity researchers have discovered additional infrastructure and previously undocumented malware associated with Nimbus Manticore, an Iranian state-sponsored hacking group affiliated with the Islamic Revolutionary Guard Corps (IRGC). Group-IB,… 

NovaCookies Campaigns Abuse Genuine Docusign Notifications to Steal Microsoft 365 Sessions

NovaCookies Campaigns Abuse Genuine Docusign Notifications to Steal Microsoft 365 Sessions

Cybersecurity researchers have disclosed details of a new adversary-in-the-middle (AitM) phishing toolkit called NovaCookies that’s used as a proxy to redirect Microsoft 365 sign-ins, while capturing authenticated sessions in the process. In a report shared… 

CISA Red Team Compromised Two Critical Infrastructure Orgs, One Detected Nothing

CISA Red Team Compromised Two Critical Infrastructure Orgs, One Detected Nothing

Swati KhandelwalAug 26, 2026Red Teaming / Security Operations The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has published the results of two red team assessments it conducted simultaneously against two critical infrastructure organizations, using what… 

Unpatched Kaltura mwEmbed Flaws Could Let Remote Attackers Read Files and Run Code

Unpatched Kaltura mwEmbed Flaws Could Let Remote Attackers Read Files and Run Code

The CERT Coordination Center (CERT/CC) has disclosed two unpatched vulnerabilities in Kaltura’s HTML5 video player library that allow a remote, unauthenticated attacker to read arbitrary files from a server and execute code on it. The… 

Claude Opus 4.6 Bypasses Gym Booking Limit, Cancels Other Users’ Reservations in Tests

Claude Opus 4.6 Bypasses Gym Booking Limit, Cancels Other Users’ Reservations in Tests

Swati KhandelwalAug 26, 2026AI Security / Application Security Aikido Security has published research that recreates the Australian gym-booking incident in a synthetic environment, finding that Claude Opus 4.6, running on the OpenClaw agent harness, exploited… 

INTERPOL Operation Jackal IV Arrests 58, Identifies 263 in Global Cyber Fraud Crackdown

INTERPOL Operation Jackal IV Arrests 58, Identifies 263 in Global Cyber Fraud Crackdown

Ravie LakshmananAug 26, 2026Cybercrime / Online Scams An eight-month INTERPOL operation targeting West African organized crime groups has led to arrests of 58 people and the identification of 263 suspects. “The operation, which brought together… 

Newly SLEEPWALKER Backdoor Waits for One Crafted Packet, Then Runs Its Own Bytecode

Newly SLEEPWALKER Backdoor Waits for One Crafted Packet, Then Runs Its Own Bytecode

An independent malware researcher has documented a previously unreported Windows backdoor, dubbed SLEEPWALKER, that stays inert in memory until a specifically crafted network packet reaches the machine and then runs commands written in a 23-instruction… 

Critical Gitea RCE Actively Exploited as Reported Attack Drops Miner-Like Payload

Critical Gitea RCE Actively Exploited as Reported Attack Drops Miner-Like Payload

Ravie LakshmananAug 26, 2026Vulnerability / Cryptojacking The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday warned of active exploitation efforts targeting a recently patched critical security flaw impacting Gitea. The vulnerability in question is…